types.h@ 44023

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1	/** @file
2	* IPRT - Types.
3	*/
4
5	/*
6	* Copyright (C) 2006-2012 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___iprt_types_h
27	#define ___iprt_types_h
28
29	#include <iprt/cdefs.h>
30	#include <iprt/stdint.h>
31
32	/*
33	* Include standard C types.
34	*/
35	#ifndef IPRT_NO_CRT
36
37	# if defined(IN_XF86_MODULE) && !defined(NO_ANSIC)
38	/*
39	* Kludge for xfree86 modules: size_t and other types are redefined.
40	*/
41	RT_C_DECLS_BEGIN
42	# include "xf86_ansic.h"
43	# undef NULL
44	RT_C_DECLS_END
45
46	# elif defined(RT_OS_DARWIN) && defined(KERNEL)
47	/*
48	* Kludge for the darwin kernel:
49	* stddef.h is missing IIRC.
50	*/
51	# ifndef _PTRDIFF_T
52	# define _PTRDIFF_T
53	typedef __darwin_ptrdiff_t ptrdiff_t;
54	# endif
55	# include <sys/types.h>
56
57	# elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
58	/*
59	* Kludge for the FreeBSD kernel:
60	* stddef.h and sys/types.h have slightly different offsetof definitions
61	* when compiling in kernel mode. This is just to make GCC shut up.
62	*/
63	# ifndef _STDDEF_H_
64	# undef offsetof
65	# endif
66	# include <sys/stddef.h>
67	# ifndef _SYS_TYPES_H_
68	# undef offsetof
69	# endif
70	# include <sys/types.h>
71	# ifndef offsetof
72	# error "offsetof is not defined..."
73	# endif
74
75	# elif defined(RT_OS_FREEBSD) && HC_ARCH_BITS == 64 && defined(RT_ARCH_X86)
76	/*
77	* Kludge for compiling 32-bit code on a 64-bit FreeBSD:
78	* FreeBSD declares uint64_t and int64_t wrong (long unsigned and long int
79	* though they need to be long long unsigned and long long int). These
80	* defines conflict with our decleration in stdint.h. Adding the defines
81	* below omits the definitions in the system header.
82	*/
83	# include <stddef.h>
84	# define _UINT64_T_DECLARED
85	# define _INT64_T_DECLARED
86	# define _UINTPTR_T_DECLARED
87	# define _INTPTR_T_DECLARED
88	# include <sys/types.h>
89
90	# elif defined(RT_OS_LINUX) && defined(__KERNEL__)
91	/*
92	* Kludge for the linux kernel:
93	* 1. sys/types.h doesn't mix with the kernel.
94	* 2. Starting with 2.6.19, linux/types.h typedefs bool and linux/stddef.h
95	* declares false and true as enum values.
96	* 3. Starting with 2.6.24, linux/types.h typedefs uintptr_t.
97	* We work around these issues here and nowhere else.
98	*/
99	# include <stddef.h>
100	# if defined(__cplusplus)
101	typedef bool _Bool;
102	# endif
103	# define bool linux_bool
104	# define true linux_true
105	# define false linux_false
106	# define uintptr_t linux_uintptr_t
107	# include <linux/version.h>
108	# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)
109	# include <generated/autoconf.h>
110	# else
111	# ifndef AUTOCONF_INCLUDED
112	# include <linux/autoconf.h>
113	# endif
114	# endif
115	# include <linux/compiler.h>
116	# if defined(__cplusplus)
117	/*
118	* Starting with 3.3, <linux/compiler-gcc.h> appends 'notrace' (which
119	* expands to __attribute__((no_instrument_function))) to inline,
120	* __inline and __inline__. Revert that.
121	*/
122	# undef inline
123	# define inline inline
124	# undef __inline__
125	# define __inline__ __inline__
126	# undef __inline
127	# define __inline __inline
128	# endif
129	# include <linux/types.h>
130	# include <linux/stddef.h>
131	/*
132	* Starting with 3.4, <linux/stddef.h> defines NULL as '((void*)0)' which
133	* does not work for C++ code.
134	*/
135	# undef NULL
136	# undef uintptr_t
137	# ifdef __GNUC__
138	# if (__GNUC__ * 100 + __GNUC_MINOR__) <= 400
139	/*
140	* <linux/compiler-gcc{3,4}.h> does
141	* #define __inline__ __inline__ __attribute__((always_inline))
142	* in some older Linux kernels. Forcing inlining will fail for some RTStrA*
143	* functions with gcc <= 4.0 due to passing variable argument lists.
144	*/
145	# undef __inline__
146	# define __inline__ __inline__
147	# endif
148	# endif
149	# undef false
150	# undef true
151	# undef bool
152	# else
153	# include <stddef.h>
154	# include <sys/types.h>
155	# endif
156
157
158	/* Define any types missing from sys/types.h on windows. */
159	# ifdef _MSC_VER
160	# undef ssize_t
161	typedef intptr_t ssize_t;
162	# endif
163
164	#else /* no crt */
165	# include <iprt/nocrt/compiler/compiler.h>
166	#endif /* no crt */
167
168	/** @def NULL
169	* NULL pointer.
170	*/
171	#ifndef NULL
172	# ifdef __cplusplus
173	# define NULL 0
174	# else
175	# define NULL ((void*)0)
176	# endif
177	#endif
178
179
180
181	/** @defgroup grp_rt_types IPRT Base Types
182	* @{
183	*/
184
185	/* define wchar_t, we don't wanna include all the wcsstuff to get this. */
186	#ifdef _MSC_VER
187	# ifndef _WCHAR_T_DEFINED
188	typedef unsigned short wchar_t;
189	# define _WCHAR_T_DEFINED
190	# endif
191	#endif
192	#ifdef __GNUC__
193	/** @todo wchar_t on GNUC */
194	#endif
195
196	/*
197	* C doesn't have bool.
198	*/
199	#ifndef __cplusplus
200	# if defined(__GNUC__)
201	# if defined(RT_OS_LINUX) && __GNUC__ < 3
202	typedef uint8_t bool;
203	# elif defined(RT_OS_FREEBSD)
204	# ifndef __bool_true_false_are_defined
205	typedef _Bool bool;
206	# endif
207	# else
208	# if (defined(RT_OS_DARWIN) \|\| defined(RT_OS_HAIKU)) && defined(_STDBOOL_H)
209	# undef bool
210	# endif
211	typedef _Bool bool;
212	# endif
213	# else
214	typedef unsigned char bool;
215	# endif
216	# ifndef true
217	# define true (1)
218	# endif
219	# ifndef false
220	# define false (0)
221	# endif
222	#endif
223
224	/**
225	* 128-bit unsigned integer.
226	*/
227	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
228	typedef __uint128_t uint128_t;
229	#else
230	typedef struct uint128_s
231	{
232	# ifdef RT_BIG_ENDIAN
233	uint64_t Hi;
234	uint64_t Lo;
235	# else
236	uint64_t Lo;
237	uint64_t Hi;
238	# endif
239	} uint128_t;
240	#endif
241
242
243	/**
244	* 128-bit signed integer.
245	*/
246	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
247	typedef __int128_t int128_t;
248	#else
249	typedef struct int128_s
250	{
251	# ifdef RT_BIG_ENDIAN
252	int64_t Hi;
253	uint64_t Lo;
254	# else
255	uint64_t Lo;
256	int64_t Hi;
257	# endif
258	} int128_t;
259	#endif
260
261
262	/**
263	* 16-bit unsigned integer union.
264	*/
265	typedef union RTUINT16U
266	{
267	/** natural view. */
268	uint16_t u;
269
270	/** 16-bit view. */
271	uint16_t au16[1];
272	/** 8-bit view. */
273	uint8_t au8[2];
274	/** 16-bit hi/lo view. */
275	struct
276	{
277	#ifdef RT_BIG_ENDIAN
278	uint8_t Hi;
279	uint8_t Lo;
280	#else
281	uint8_t Lo;
282	uint8_t Hi;
283	#endif
284	} s;
285	} RTUINT16U;
286	/** Pointer to a 16-bit unsigned integer union. */
287	typedef RTUINT16U *PRTUINT16U;
288	/** Pointer to a const 32-bit unsigned integer union. */
289	typedef const RTUINT16U *PCRTUINT16U;
290
291
292	/**
293	* 32-bit unsigned integer union.
294	*/
295	typedef union RTUINT32U
296	{
297	/** natural view. */
298	uint32_t u;
299	/** Hi/Low view. */
300	struct
301	{
302	#ifdef RT_BIG_ENDIAN
303	uint16_t Hi;
304	uint16_t Lo;
305	#else
306	uint16_t Lo;
307	uint16_t Hi;
308	#endif
309	} s;
310	/** Word view. */
311	struct
312	{
313	#ifdef RT_BIG_ENDIAN
314	uint16_t w1;
315	uint16_t w0;
316	#else
317	uint16_t w0;
318	uint16_t w1;
319	#endif
320	} Words;
321
322	/** 32-bit view. */
323	uint32_t au32[1];
324	/** 16-bit view. */
325	uint16_t au16[2];
326	/** 8-bit view. */
327	uint8_t au8[4];
328	} RTUINT32U;
329	/** Pointer to a 32-bit unsigned integer union. */
330	typedef RTUINT32U *PRTUINT32U;
331	/** Pointer to a const 32-bit unsigned integer union. */
332	typedef const RTUINT32U *PCRTUINT32U;
333
334
335	/**
336	* 64-bit unsigned integer union.
337	*/
338	typedef union RTUINT64U
339	{
340	/** Natural view. */
341	uint64_t u;
342	/** Hi/Low view. */
343	struct
344	{
345	#ifdef RT_BIG_ENDIAN
346	uint32_t Hi;
347	uint32_t Lo;
348	#else
349	uint32_t Lo;
350	uint32_t Hi;
351	#endif
352	} s;
353	/** Double-Word view. */
354	struct
355	{
356	#ifdef RT_BIG_ENDIAN
357	uint32_t dw1;
358	uint32_t dw0;
359	#else
360	uint32_t dw0;
361	uint32_t dw1;
362	#endif
363	} DWords;
364	/** Word view. */
365	struct
366	{
367	#ifdef RT_BIG_ENDIAN
368	uint16_t w3;
369	uint16_t w2;
370	uint16_t w1;
371	uint16_t w0;
372	#else
373	uint16_t w0;
374	uint16_t w1;
375	uint16_t w2;
376	uint16_t w3;
377	#endif
378	} Words;
379
380	/** 64-bit view. */
381	uint64_t au64[1];
382	/** 32-bit view. */
383	uint32_t au32[2];
384	/** 16-bit view. */
385	uint16_t au16[4];
386	/** 8-bit view. */
387	uint8_t au8[8];
388	} RTUINT64U;
389	/** Pointer to a 64-bit unsigned integer union. */
390	typedef RTUINT64U *PRTUINT64U;
391	/** Pointer to a const 64-bit unsigned integer union. */
392	typedef const RTUINT64U *PCRTUINT64U;
393
394
395	/**
396	* 128-bit unsigned integer union.
397	*/
398	typedef union RTUINT128U
399	{
400	/** Natural view.
401	* WARNING! This member depends on the compiler supporting 128-bit stuff. */
402	uint128_t u;
403	/** Hi/Low view. */
404	struct
405	{
406	#ifdef RT_BIG_ENDIAN
407	uint64_t Hi;
408	uint64_t Lo;
409	#else
410	uint64_t Lo;
411	uint64_t Hi;
412	#endif
413	} s;
414	/** Quad-Word view. */
415	struct
416	{
417	#ifdef RT_BIG_ENDIAN
418	uint64_t qw1;
419	uint64_t qw0;
420	#else
421	uint64_t qw0;
422	uint64_t qw1;
423	#endif
424	} QWords;
425	/** Double-Word view. */
426	struct
427	{
428	#ifdef RT_BIG_ENDIAN
429	uint32_t dw3;
430	uint32_t dw2;
431	uint32_t dw1;
432	uint32_t dw0;
433	#else
434	uint32_t dw0;
435	uint32_t dw1;
436	uint32_t dw2;
437	uint32_t dw3;
438	#endif
439	} DWords;
440	/** Word view. */
441	struct
442	{
443	#ifdef RT_BIG_ENDIAN
444	uint16_t w7;
445	uint16_t w6;
446	uint16_t w5;
447	uint16_t w4;
448	uint16_t w3;
449	uint16_t w2;
450	uint16_t w1;
451	uint16_t w0;
452	#else
453	uint16_t w0;
454	uint16_t w1;
455	uint16_t w2;
456	uint16_t w3;
457	uint16_t w4;
458	uint16_t w5;
459	uint16_t w6;
460	uint16_t w7;
461	#endif
462	} Words;
463
464	/** 64-bit view. */
465	uint64_t au64[2];
466	/** 32-bit view. */
467	uint32_t au32[4];
468	/** 16-bit view. */
469	uint16_t au16[8];
470	/** 8-bit view. */
471	uint8_t au8[16];
472	} RTUINT128U;
473	/** Pointer to a 64-bit unsigned integer union. */
474	typedef RTUINT128U *PRTUINT128U;
475	/** Pointer to a const 64-bit unsigned integer union. */
476	typedef const RTUINT128U *PCRTUINT128U;
477
478
479	/**
480	* Double precision floating point format (64-bit).
481	*/
482	typedef union RTFLOAT64U
483	{
484	#if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86)
485	/** Double view. */
486	double rd;
487	#endif
488	/** Format using regular bitfields. */
489	struct
490	{
491	# ifdef RT_BIG_ENDIAN
492	/** The sign indicator. */
493	uint32_t fSign : 1;
494	/** The exponent (offseted by 1023). */
495	uint32_t uExponent : 11;
496	/** The fraction, bits 32 thru 51. */
497	uint32_t u20FractionHigh : 20;
498	/** The fraction, bits 0 thru 31. */
499	uint32_t u32FractionLow;
500	# else
501	/** The fraction, bits 0 thru 31. */
502	uint32_t u32FractionLow;
503	/** The fraction, bits 32 thru 51. */
504	uint32_t u20FractionHigh : 20;
505	/** The exponent (offseted by 1023). */
506	uint32_t uExponent : 11;
507	/** The sign indicator. */
508	uint32_t fSign : 1;
509	# endif
510	} s;
511
512	#ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
513	/** Format using 64-bit bitfields. */
514	RT_GCC_EXTENSION struct
515	{
516	# ifdef RT_BIG_ENDIAN
517	/** The sign indicator. */
518	RT_GCC_EXTENSION uint64_t fSign : 1;
519	/** The exponent (offseted by 1023). */
520	RT_GCC_EXTENSION uint64_t uExponent : 11;
521	/** The fraction. */
522	RT_GCC_EXTENSION uint64_t uFraction : 52;
523	# else
524	/** The fraction. */
525	RT_GCC_EXTENSION uint64_t uFraction : 52;
526	/** The exponent (offseted by 1023). */
527	RT_GCC_EXTENSION uint64_t uExponent : 11;
528	/** The sign indicator. */
529	RT_GCC_EXTENSION uint64_t fSign : 1;
530	# endif
531	} s64;
532	#endif
533
534	/** 64-bit view. */
535	uint64_t au64[1];
536	/** 32-bit view. */
537	uint32_t au32[2];
538	/** 16-bit view. */
539	uint16_t au16[4];
540	/** 8-bit view. */
541	uint8_t au8[8];
542	} RTFLOAT64U;
543	/** Pointer to a double precision floating point format union. */
544	typedef RTFLOAT64U *PRTFLOAT64U;
545	/** Pointer to a const double precision floating point format union. */
546	typedef const RTFLOAT64U *PCRTFLOAT64U;
547
548
549	/**
550	* Extended Double precision floating point format (80-bit).
551	*/
552	#pragma pack(1)
553	typedef union RTFLOAT80U
554	{
555	/** Format using bitfields. */
556	RT_GCC_EXTENSION struct
557	{
558	# ifdef RT_BIG_ENDIAN
559	/** The sign indicator. */
560	RT_GCC_EXTENSION uint16_t fSign : 1;
561	/** The exponent (offseted by 16383). */
562	RT_GCC_EXTENSION uint16_t uExponent : 15;
563	/** The mantissa. */
564	uint64_t u64Mantissa;
565	# else
566	/** The mantissa. */
567	uint64_t u64Mantissa;
568	/** The exponent (offseted by 16383). */
569	RT_GCC_EXTENSION uint16_t uExponent : 15;
570	/** The sign indicator. */
571	RT_GCC_EXTENSION uint16_t fSign : 1;
572	# endif
573	} s;
574
575	/** 64-bit view. */
576	uint64_t au64[1];
577	/** 32-bit view. */
578	uint32_t au32[2];
579	/** 16-bit view. */
580	uint16_t au16[5];
581	/** 8-bit view. */
582	uint8_t au8[10];
583	} RTFLOAT80U;
584	#pragma pack()
585	/** Pointer to a extended precision floating point format union. */
586	typedef RTFLOAT80U *PRTFLOAT80U;
587	/** Pointer to a const extended precision floating point format union. */
588	typedef const RTFLOAT80U *PCRTFLOAT80U;
589
590
591	/**
592	* A variant of RTFLOAT80U that may be larger than 80-bits depending on how the
593	* compiler implements long double.
594	*/
595	#pragma pack(1)
596	typedef union RTFLOAT80U2
597	{
598	#ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
599	/** Long double view. */
600	long double lrd;
601	#endif
602	/** Format using bitfields. */
603	RT_GCC_EXTENSION struct
604	{
605	#ifdef RT_BIG_ENDIAN
606	/** The sign indicator. */
607	RT_GCC_EXTENSION uint16_t fSign : 1;
608	/** The exponent (offseted by 16383). */
609	RT_GCC_EXTENSION uint16_t uExponent : 15;
610	/** The mantissa. */
611	uint64_t u64Mantissa;
612	#else
613	/** The mantissa. */
614	uint64_t u64Mantissa;
615	/** The exponent (offseted by 16383). */
616	RT_GCC_EXTENSION uint16_t uExponent : 15;
617	/** The sign indicator. */
618	RT_GCC_EXTENSION uint16_t fSign : 1;
619	#endif
620	} s;
621
622	/** Bitfield exposing the J bit and the fraction. */
623	RT_GCC_EXTENSION struct
624	{
625	#ifdef RT_BIG_ENDIAN
626	/** The sign indicator. */
627	RT_GCC_EXTENSION uint16_t fSign : 1;
628	/** The exponent (offseted by 16383). */
629	RT_GCC_EXTENSION uint16_t uExponent : 15;
630	/** The J bit, aka the integer bit. */
631	uint32_t fInteger;
632	/** The fraction, bits 32 thru 62. */
633	uint32_t u31FractionHigh : 31;
634	/** The fraction, bits 0 thru 31. */
635	uint32_t u32FractionLow : 32;
636	#else
637	/** The fraction, bits 0 thru 31. */
638	uint32_t u32FractionLow : 32;
639	/** The fraction, bits 32 thru 62. */
640	uint32_t u31FractionHigh : 31;
641	/** The J bit, aka the integer bit. */
642	uint32_t fInteger;
643	/** The exponent (offseted by 16383). */
644	RT_GCC_EXTENSION uint16_t uExponent : 15;
645	/** The sign indicator. */
646	RT_GCC_EXTENSION uint16_t fSign : 1;
647	#endif
648	} sj;
649
650	#ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
651	/** 64-bit bitfields exposing the J bit and the fraction. */
652	RT_GCC_EXTENSION struct
653	{
654	# ifdef RT_BIG_ENDIAN
655	/** The sign indicator. */
656	RT_GCC_EXTENSION uint16_t fSign : 1;
657	/** The exponent (offseted by 16383). */
658	RT_GCC_EXTENSION uint16_t uExponent : 15;
659	/** The J bit, aka the integer bit. */
660	RT_GCC_EXTENSION uint64_t fInteger : 1;
661	/** The fraction. */
662	RT_GCC_EXTENSION uint64_t u63Fraction : 63;
663	# else
664	/** The fraction. */
665	RT_GCC_EXTENSION uint64_t u63Fraction : 63;
666	/** The J bit, aka the integer bit. */
667	RT_GCC_EXTENSION uint64_t fInteger : 1;
668	/** The exponent (offseted by 16383). */
669	RT_GCC_EXTENSION uint16_t uExponent : 15;
670	/** The sign indicator. */
671	RT_GCC_EXTENSION uint16_t fSign : 1;
672	# endif
673	} sj64;
674	#endif
675
676	/** 64-bit view. */
677	uint64_t au64[1];
678	/** 32-bit view. */
679	uint32_t au32[2];
680	/** 16-bit view. */
681	uint16_t au16[5];
682	/** 8-bit view. */
683	uint8_t au8[10];
684	} RTFLOAT80U2;
685	#pragma pack()
686	/** Pointer to a extended precision floating point format union, 2nd
687	* variant. */
688	typedef RTFLOAT80U2 *PRTFLOAT80U2;
689	/** Pointer to a const extended precision floating point format union, 2nd
690	* variant. */
691	typedef const RTFLOAT80U2 *PCRTFLOAT80U2;
692
693
694	/** Generic function type.
695	* @see PFNRT
696	*/
697	typedef DECLCALLBACK(void) FNRT(void);
698
699	/** Generic function pointer.
700	* With -pedantic, gcc-4 complains when casting a function to a data object, for
701	* example:
702	*
703	* @code
704	* void foo(void)
705	* {
706	* }
707	*
708	* void bar = (void )foo;
709	* @endcode
710	*
711	* The compiler would warn with "ISO C++ forbids casting between
712	* pointer-to-function and pointer-to-object". The purpose of this warning is
713	* not to bother the programmer but to point out that he is probably doing
714	* something dangerous, assigning a pointer to executable code to a data object.
715	*/
716	typedef FNRT *PFNRT;
717
718	/** Millisecond interval. */
719	typedef uint32_t RTMSINTERVAL;
720	/** Pointer to a millisecond interval. */
721	typedef RTMSINTERVAL *PRTMSINTERVAL;
722	/** Pointer to a const millisecond interval. */
723	typedef const RTMSINTERVAL *PCRTMSINTERVAL;
724
725	/** Pointer to a time spec structure. */
726	typedef struct RTTIMESPEC *PRTTIMESPEC;
727	/** Pointer to a const time spec structure. */
728	typedef const struct RTTIMESPEC *PCRTTIMESPEC;
729
730	/**
731	* Generic pointer union.
732	*/
733	typedef union RTPTRUNION
734	{
735	/** Pointer into the void... */
736	void *pv;
737	/** Pointer to a 8-bit unsigned value. */
738	uint8_t *pu8;
739	/** Pointer to a 16-bit unsigned value. */
740	uint16_t *pu16;
741	/** Pointer to a 32-bit unsigned value. */
742	uint32_t *pu32;
743	/** Pointer to a 64-bit unsigned value. */
744	uint64_t *pu64;
745	} RTPTRUNION;
746	/** Pointer to a pointer union. */
747	typedef RTPTRUNION *PRTPTRUNION;
748
749	/**
750	* Generic const pointer union.
751	*/
752	typedef union RTCPTRUNION
753	{
754	/** Pointer into the void... */
755	void const *pv;
756	/** Pointer to a 8-bit unsigned value. */
757	uint8_t const *pu8;
758	/** Pointer to a 16-bit unsigned value. */
759	uint16_t const *pu16;
760	/** Pointer to a 32-bit unsigned value. */
761	uint32_t const *pu32;
762	/** Pointer to a 64-bit unsigned value. */
763	uint64_t const *pu64;
764	} RTCPTRUNION;
765	/** Pointer to a const pointer union. */
766	typedef RTCPTRUNION *PRTCPTRUNION;
767
768	/**
769	* Generic volatile pointer union.
770	*/
771	typedef union RTVPTRUNION
772	{
773	/** Pointer into the void... */
774	void volatile *pv;
775	/** Pointer to a 8-bit unsigned value. */
776	uint8_t volatile *pu8;
777	/** Pointer to a 16-bit unsigned value. */
778	uint16_t volatile *pu16;
779	/** Pointer to a 32-bit unsigned value. */
780	uint32_t volatile *pu32;
781	/** Pointer to a 64-bit unsigned value. */
782	uint64_t volatile *pu64;
783	} RTVPTRUNION;
784	/** Pointer to a const pointer union. */
785	typedef RTVPTRUNION *PRTVPTRUNION;
786
787	/**
788	* Generic const volatile pointer union.
789	*/
790	typedef union RTCVPTRUNION
791	{
792	/** Pointer into the void... */
793	void const volatile *pv;
794	/** Pointer to a 8-bit unsigned value. */
795	uint8_t const volatile *pu8;
796	/** Pointer to a 16-bit unsigned value. */
797	uint16_t const volatile *pu16;
798	/** Pointer to a 32-bit unsigned value. */
799	uint32_t const volatile *pu32;
800	/** Pointer to a 64-bit unsigned value. */
801	uint64_t const volatile *pu64;
802	} RTCVPTRUNION;
803	/** Pointer to a const pointer union. */
804	typedef RTCVPTRUNION *PRTCVPTRUNION;
805
806
807	/** @defgroup grp_rt_types_both Common Guest and Host Context Basic Types
808	* @ingroup grp_rt_types
809	* @{
810	*/
811
812	/** Signed integer which can contain both GC and HC pointers. */
813	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
814	typedef int32_t RTINTPTR;
815	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
816	typedef int64_t RTINTPTR;
817	#else
818	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
819	#endif
820	/** Pointer to signed integer which can contain both GC and HC pointers. */
821	typedef RTINTPTR *PRTINTPTR;
822	/** Pointer const to signed integer which can contain both GC and HC pointers. */
823	typedef const RTINTPTR *PCRTINTPTR;
824	/** The maximum value the RTINTPTR type can hold. */
825	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
826	# define RTINTPTR_MAX INT32_MAX
827	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
828	# define RTINTPTR_MAX INT64_MAX
829	#else
830	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
831	#endif
832	/** The minimum value the RTINTPTR type can hold. */
833	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
834	# define RTINTPTR_MIN INT32_MIN
835	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
836	# define RTINTPTR_MIN INT64_MIN
837	#else
838	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
839	#endif
840
841	/** Unsigned integer which can contain both GC and HC pointers. */
842	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
843	typedef uint32_t RTUINTPTR;
844	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
845	typedef uint64_t RTUINTPTR;
846	#else
847	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
848	#endif
849	/** Pointer to unsigned integer which can contain both GC and HC pointers. */
850	typedef RTUINTPTR *PRTUINTPTR;
851	/** Pointer const to unsigned integer which can contain both GC and HC pointers. */
852	typedef const RTUINTPTR *PCRTUINTPTR;
853	/** The maximum value the RTUINTPTR type can hold. */
854	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
855	# define RTUINTPTR_MAX UINT32_MAX
856	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
857	# define RTUINTPTR_MAX UINT64_MAX
858	#else
859	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
860	#endif
861
862	/** Signed integer. */
863	typedef int32_t RTINT;
864	/** Pointer to signed integer. */
865	typedef RTINT *PRTINT;
866	/** Pointer to const signed integer. */
867	typedef const RTINT *PCRTINT;
868
869	/** Unsigned integer. */
870	typedef uint32_t RTUINT;
871	/** Pointer to unsigned integer. */
872	typedef RTUINT *PRTUINT;
873	/** Pointer to const unsigned integer. */
874	typedef const RTUINT *PCRTUINT;
875
876	/** A file offset / size (off_t). */
877	typedef int64_t RTFOFF;
878	/** Pointer to a file offset / size. */
879	typedef RTFOFF *PRTFOFF;
880	/** The max value for RTFOFF. */
881	#define RTFOFF_MAX INT64_MAX
882	/** The min value for RTFOFF. */
883	#define RTFOFF_MIN INT64_MIN
884
885	/** File mode (see iprt/fs.h). */
886	typedef uint32_t RTFMODE;
887	/** Pointer to file mode. */
888	typedef RTFMODE *PRTFMODE;
889
890	/** Device unix number. */
891	typedef uint32_t RTDEV;
892	/** Pointer to a device unix number. */
893	typedef RTDEV *PRTDEV;
894
895	/** @name RTDEV Macros
896	* @{ */
897	/**
898	* Our makedev macro.
899	* @returns RTDEV
900	* @param uMajor The major device number.
901	* @param uMinor The minor device number.
902	*/
903	#define RTDEV_MAKE(uMajor, uMinor) ((RTDEV)( ((RTDEV)(uMajor) << 24) \| (uMinor & UINT32_C(0x00ffffff)) ))
904	/**
905	* Get the major device node number from an RTDEV type.
906	* @returns The major device number of @a uDev
907	* @param uDev The device number.
908	*/
909	#define RTDEV_MAJOR(uDev) ((uDev) >> 24)
910	/**
911	* Get the minor device node number from an RTDEV type.
912	* @returns The minor device number of @a uDev
913	* @param uDev The device number.
914	*/
915	#define RTDEV_MINOR(uDev) ((uDev) & UINT32_C(0x00ffffff))
916	/** @} */
917
918	/** i-node number. */
919	typedef uint64_t RTINODE;
920	/** Pointer to a i-node number. */
921	typedef RTINODE *PRTINODE;
922
923	/** User id. */
924	typedef uint32_t RTUID;
925	/** Pointer to a user id. */
926	typedef RTUID *PRTUID;
927	/** NIL user id.
928	* @todo check this for portability! */
929	#define NIL_RTUID (~(RTUID)0)
930
931	/** Group id. */
932	typedef uint32_t RTGID;
933	/** Pointer to a group id. */
934	typedef RTGID *PRTGID;
935	/** NIL group id.
936	* @todo check this for portability! */
937	#define NIL_RTGID (~(RTGID)0)
938
939	/** I/O Port. */
940	typedef uint16_t RTIOPORT;
941	/** Pointer to I/O Port. */
942	typedef RTIOPORT *PRTIOPORT;
943	/** Pointer to const I/O Port. */
944	typedef const RTIOPORT *PCRTIOPORT;
945
946	/** Selector. */
947	typedef uint16_t RTSEL;
948	/** Pointer to selector. */
949	typedef RTSEL *PRTSEL;
950	/** Pointer to const selector. */
951	typedef const RTSEL *PCRTSEL;
952	/** Max selector value. */
953	#define RTSEL_MAX UINT16_MAX
954
955	/** Far 16-bit pointer. */
956	#pragma pack(1)
957	typedef struct RTFAR16
958	{
959	uint16_t off;
960	RTSEL sel;
961	} RTFAR16;
962	#pragma pack()
963	/** Pointer to Far 16-bit pointer. */
964	typedef RTFAR16 *PRTFAR16;
965	/** Pointer to const Far 16-bit pointer. */
966	typedef const RTFAR16 *PCRTFAR16;
967
968	/** Far 32-bit pointer. */
969	#pragma pack(1)
970	typedef struct RTFAR32
971	{
972	uint32_t off;
973	RTSEL sel;
974	} RTFAR32;
975	#pragma pack()
976	/** Pointer to Far 32-bit pointer. */
977	typedef RTFAR32 *PRTFAR32;
978	/** Pointer to const Far 32-bit pointer. */
979	typedef const RTFAR32 *PCRTFAR32;
980
981	/** Far 64-bit pointer. */
982	#pragma pack(1)
983	typedef struct RTFAR64
984	{
985	uint64_t off;
986	RTSEL sel;
987	} RTFAR64;
988	#pragma pack()
989	/** Pointer to Far 64-bit pointer. */
990	typedef RTFAR64 *PRTFAR64;
991	/** Pointer to const Far 64-bit pointer. */
992	typedef const RTFAR64 *PCRTFAR64;
993
994	/** @} */
995
996
997	/** @defgroup grp_rt_types_hc Host Context Basic Types
998	* @ingroup grp_rt_types
999	* @{
1000	*/
1001
1002	/** HC Natural signed integer.
1003	* @deprecated silly type. */
1004	typedef int32_t RTHCINT;
1005	/** Pointer to HC Natural signed integer.
1006	* @deprecated silly type. */
1007	typedef RTHCINT *PRTHCINT;
1008	/** Pointer to const HC Natural signed integer.
1009	* @deprecated silly type. */
1010	typedef const RTHCINT *PCRTHCINT;
1011
1012	/** HC Natural unsigned integer.
1013	* @deprecated silly type. */
1014	typedef uint32_t RTHCUINT;
1015	/** Pointer to HC Natural unsigned integer.
1016	* @deprecated silly type. */
1017	typedef RTHCUINT *PRTHCUINT;
1018	/** Pointer to const HC Natural unsigned integer.
1019	* @deprecated silly type. */
1020	typedef const RTHCUINT *PCRTHCUINT;
1021
1022
1023	/** Signed integer which can contain a HC pointer. */
1024	#if HC_ARCH_BITS == 32
1025	typedef int32_t RTHCINTPTR;
1026	#elif HC_ARCH_BITS == 64
1027	typedef int64_t RTHCINTPTR;
1028	#else
1029	# error Unsupported HC_ARCH_BITS value.
1030	#endif
1031	/** Pointer to signed integer which can contain a HC pointer. */
1032	typedef RTHCINTPTR *PRTHCINTPTR;
1033	/** Pointer to const signed integer which can contain a HC pointer. */
1034	typedef const RTHCINTPTR *PCRTHCINTPTR;
1035	/** Max RTHCINTPTR value. */
1036	#if HC_ARCH_BITS == 32
1037	# define RTHCINTPTR_MAX INT32_MAX
1038	#else
1039	# define RTHCINTPTR_MAX INT64_MAX
1040	#endif
1041	/** Min RTHCINTPTR value. */
1042	#if HC_ARCH_BITS == 32
1043	# define RTHCINTPTR_MIN INT32_MIN
1044	#else
1045	# define RTHCINTPTR_MIN INT64_MIN
1046	#endif
1047
1048	/** Signed integer which can contain a HC ring-3 pointer. */
1049	#if R3_ARCH_BITS == 32
1050	typedef int32_t RTR3INTPTR;
1051	#elif R3_ARCH_BITS == 64
1052	typedef int64_t RTR3INTPTR;
1053	#else
1054	# error Unsupported R3_ARCH_BITS value.
1055	#endif
1056	/** Pointer to signed integer which can contain a HC ring-3 pointer. */
1057	typedef RTR3INTPTR *PRTR3INTPTR;
1058	/** Pointer to const signed integer which can contain a HC ring-3 pointer. */
1059	typedef const RTR3INTPTR *PCRTR3INTPTR;
1060	/** Max RTR3INTPTR value. */
1061	#if R3_ARCH_BITS == 32
1062	# define RTR3INTPTR_MAX INT32_MAX
1063	#else
1064	# define RTR3INTPTR_MAX INT64_MAX
1065	#endif
1066	/** Min RTR3INTPTR value. */
1067	#if R3_ARCH_BITS == 32
1068	# define RTR3INTPTR_MIN INT32_MIN
1069	#else
1070	# define RTR3INTPTR_MIN INT64_MIN
1071	#endif
1072
1073	/** Signed integer which can contain a HC ring-0 pointer. */
1074	#if R0_ARCH_BITS == 32
1075	typedef int32_t RTR0INTPTR;
1076	#elif R0_ARCH_BITS == 64
1077	typedef int64_t RTR0INTPTR;
1078	#else
1079	# error Unsupported R0_ARCH_BITS value.
1080	#endif
1081	/** Pointer to signed integer which can contain a HC ring-0 pointer. */
1082	typedef RTR0INTPTR *PRTR0INTPTR;
1083	/** Pointer to const signed integer which can contain a HC ring-0 pointer. */
1084	typedef const RTR0INTPTR *PCRTR0INTPTR;
1085	/** Max RTR0INTPTR value. */
1086	#if R0_ARCH_BITS == 32
1087	# define RTR0INTPTR_MAX INT32_MAX
1088	#else
1089	# define RTR0INTPTR_MAX INT64_MAX
1090	#endif
1091	/** Min RTHCINTPTR value. */
1092	#if R0_ARCH_BITS == 32
1093	# define RTR0INTPTR_MIN INT32_MIN
1094	#else
1095	# define RTR0INTPTR_MIN INT64_MIN
1096	#endif
1097
1098
1099	/** Unsigned integer which can contain a HC pointer. */
1100	#if HC_ARCH_BITS == 32
1101	typedef uint32_t RTHCUINTPTR;
1102	#elif HC_ARCH_BITS == 64
1103	typedef uint64_t RTHCUINTPTR;
1104	#else
1105	# error Unsupported HC_ARCH_BITS value.
1106	#endif
1107	/** Pointer to unsigned integer which can contain a HC pointer. */
1108	typedef RTHCUINTPTR *PRTHCUINTPTR;
1109	/** Pointer to unsigned integer which can contain a HC pointer. */
1110	typedef const RTHCUINTPTR *PCRTHCUINTPTR;
1111	/** Max RTHCUINTTPR value. */
1112	#if HC_ARCH_BITS == 32
1113	# define RTHCUINTPTR_MAX UINT32_MAX
1114	#else
1115	# define RTHCUINTPTR_MAX UINT64_MAX
1116	#endif
1117
1118	/** Unsigned integer which can contain a HC ring-3 pointer. */
1119	#if R3_ARCH_BITS == 32
1120	typedef uint32_t RTR3UINTPTR;
1121	#elif R3_ARCH_BITS == 64
1122	typedef uint64_t RTR3UINTPTR;
1123	#else
1124	# error Unsupported R3_ARCH_BITS value.
1125	#endif
1126	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
1127	typedef RTR3UINTPTR *PRTR3UINTPTR;
1128	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
1129	typedef const RTR3UINTPTR *PCRTR3UINTPTR;
1130	/** Max RTHCUINTTPR value. */
1131	#if R3_ARCH_BITS == 32
1132	# define RTR3UINTPTR_MAX UINT32_MAX
1133	#else
1134	# define RTR3UINTPTR_MAX UINT64_MAX
1135	#endif
1136
1137	/** Unsigned integer which can contain a HC ring-0 pointer. */
1138	#if R0_ARCH_BITS == 32
1139	typedef uint32_t RTR0UINTPTR;
1140	#elif R0_ARCH_BITS == 64
1141	typedef uint64_t RTR0UINTPTR;
1142	#else
1143	# error Unsupported R0_ARCH_BITS value.
1144	#endif
1145	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
1146	typedef RTR0UINTPTR *PRTR0UINTPTR;
1147	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
1148	typedef const RTR0UINTPTR *PCRTR0UINTPTR;
1149	/** Max RTR0UINTTPR value. */
1150	#if HC_ARCH_BITS == 32
1151	# define RTR0UINTPTR_MAX UINT32_MAX
1152	#else
1153	# define RTR0UINTPTR_MAX UINT64_MAX
1154	#endif
1155
1156
1157	/** Host Physical Memory Address. */
1158	typedef uint64_t RTHCPHYS;
1159	/** Pointer to Host Physical Memory Address. */
1160	typedef RTHCPHYS *PRTHCPHYS;
1161	/** Pointer to const Host Physical Memory Address. */
1162	typedef const RTHCPHYS *PCRTHCPHYS;
1163	/** @def NIL_RTHCPHYS
1164	* NIL HC Physical Address.
1165	* NIL_RTHCPHYS is used to signal an invalid physical address, similar
1166	* to the NULL pointer.
1167	*/
1168	#define NIL_RTHCPHYS (~(RTHCPHYS)0)
1169	/** Max RTHCPHYS value. */
1170	#define RTHCPHYS_MAX UINT64_MAX
1171
1172
1173	/** HC pointer. */
1174	#ifndef IN_RC
1175	typedef void * RTHCPTR;
1176	#else
1177	typedef RTHCUINTPTR RTHCPTR;
1178	#endif
1179	/** Pointer to HC pointer. */
1180	typedef RTHCPTR *PRTHCPTR;
1181	/** Pointer to const HC pointer. */
1182	typedef const RTHCPTR *PCRTHCPTR;
1183	/** @def NIL_RTHCPTR
1184	* NIL HC pointer.
1185	*/
1186	#define NIL_RTHCPTR ((RTHCPTR)0)
1187	/** Max RTHCPTR value. */
1188	#define RTHCPTR_MAX ((RTHCPTR)RTHCUINTPTR_MAX)
1189
1190
1191	/** HC ring-3 pointer. */
1192	#ifdef IN_RING3
1193	typedef void * RTR3PTR;
1194	#else
1195	typedef RTR3UINTPTR RTR3PTR;
1196	#endif
1197	/** Pointer to HC ring-3 pointer. */
1198	typedef RTR3PTR *PRTR3PTR;
1199	/** Pointer to const HC ring-3 pointer. */
1200	typedef const RTR3PTR *PCRTR3PTR;
1201	/** @def NIL_RTR3PTR
1202	* NIL HC ring-3 pointer.
1203	*/
1204	#ifndef IN_RING3
1205	# define NIL_RTR3PTR ((RTR3PTR)0)
1206	#else
1207	# define NIL_RTR3PTR (NULL)
1208	#endif
1209	/** Max RTR3PTR value. */
1210	#define RTR3PTR_MAX ((RTR3PTR)RTR3UINTPTR_MAX)
1211
1212	/** HC ring-0 pointer. */
1213	#ifdef IN_RING0
1214	typedef void * RTR0PTR;
1215	#else
1216	typedef RTR0UINTPTR RTR0PTR;
1217	#endif
1218	/** Pointer to HC ring-0 pointer. */
1219	typedef RTR0PTR *PRTR0PTR;
1220	/** Pointer to const HC ring-0 pointer. */
1221	typedef const RTR0PTR *PCRTR0PTR;
1222	/** @def NIL_RTR0PTR
1223	* NIL HC ring-0 pointer.
1224	*/
1225	#ifndef IN_RING0
1226	# define NIL_RTR0PTR ((RTR0PTR)0)
1227	#else
1228	# define NIL_RTR0PTR (NULL)
1229	#endif
1230	/** Max RTR3PTR value. */
1231	#define RTR0PTR_MAX ((RTR0PTR)RTR0UINTPTR_MAX)
1232
1233
1234	/** Unsigned integer register in the host context. */
1235	#if HC_ARCH_BITS == 32
1236	typedef uint32_t RTHCUINTREG;
1237	#elif HC_ARCH_BITS == 64
1238	typedef uint64_t RTHCUINTREG;
1239	#else
1240	# error "Unsupported HC_ARCH_BITS!"
1241	#endif
1242	/** Pointer to an unsigned integer register in the host context. */
1243	typedef RTHCUINTREG *PRTHCUINTREG;
1244	/** Pointer to a const unsigned integer register in the host context. */
1245	typedef const RTHCUINTREG *PCRTHCUINTREG;
1246
1247	/** Unsigned integer register in the host ring-3 context. */
1248	#if R3_ARCH_BITS == 32
1249	typedef uint32_t RTR3UINTREG;
1250	#elif R3_ARCH_BITS == 64
1251	typedef uint64_t RTR3UINTREG;
1252	#else
1253	# error "Unsupported R3_ARCH_BITS!"
1254	#endif
1255	/** Pointer to an unsigned integer register in the host ring-3 context. */
1256	typedef RTR3UINTREG *PRTR3UINTREG;
1257	/** Pointer to a const unsigned integer register in the host ring-3 context. */
1258	typedef const RTR3UINTREG *PCRTR3UINTREG;
1259
1260	/** Unsigned integer register in the host ring-3 context. */
1261	#if R0_ARCH_BITS == 32
1262	typedef uint32_t RTR0UINTREG;
1263	#elif R0_ARCH_BITS == 64
1264	typedef uint64_t RTR0UINTREG;
1265	#else
1266	# error "Unsupported R3_ARCH_BITS!"
1267	#endif
1268	/** Pointer to an unsigned integer register in the host ring-3 context. */
1269	typedef RTR0UINTREG *PRTR0UINTREG;
1270	/** Pointer to a const unsigned integer register in the host ring-3 context. */
1271	typedef const RTR0UINTREG *PCRTR0UINTREG;
1272
1273	/** @} */
1274
1275
1276	/** @defgroup grp_rt_types_gc Guest Context Basic Types
1277	* @ingroup grp_rt_types
1278	* @{
1279	*/
1280
1281	/** Natural signed integer in the GC.
1282	* @deprecated silly type. */
1283	#if GC_ARCH_BITS == 32
1284	typedef int32_t RTGCINT;
1285	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCINT. */
1286	typedef int64_t RTGCINT;
1287	#endif
1288	/** Pointer to natural signed integer in GC.
1289	* @deprecated silly type. */
1290	typedef RTGCINT *PRTGCINT;
1291	/** Pointer to const natural signed integer in GC.
1292	* @deprecated silly type. */
1293	typedef const RTGCINT *PCRTGCINT;
1294
1295	/** Natural unsigned integer in the GC.
1296	* @deprecated silly type. */
1297	#if GC_ARCH_BITS == 32
1298	typedef uint32_t RTGCUINT;
1299	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCUINT. */
1300	typedef uint64_t RTGCUINT;
1301	#endif
1302	/** Pointer to natural unsigned integer in GC.
1303	* @deprecated silly type. */
1304	typedef RTGCUINT *PRTGCUINT;
1305	/** Pointer to const natural unsigned integer in GC.
1306	* @deprecated silly type. */
1307	typedef const RTGCUINT *PCRTGCUINT;
1308
1309	/** Signed integer which can contain a GC pointer. */
1310	#if GC_ARCH_BITS == 32
1311	typedef int32_t RTGCINTPTR;
1312	#elif GC_ARCH_BITS == 64
1313	typedef int64_t RTGCINTPTR;
1314	#endif
1315	/** Pointer to signed integer which can contain a GC pointer. */
1316	typedef RTGCINTPTR *PRTGCINTPTR;
1317	/** Pointer to const signed integer which can contain a GC pointer. */
1318	typedef const RTGCINTPTR *PCRTGCINTPTR;
1319
1320	/** Unsigned integer which can contain a GC pointer. */
1321	#if GC_ARCH_BITS == 32
1322	typedef uint32_t RTGCUINTPTR;
1323	#elif GC_ARCH_BITS == 64
1324	typedef uint64_t RTGCUINTPTR;
1325	#else
1326	# error Unsupported GC_ARCH_BITS value.
1327	#endif
1328	/** Pointer to unsigned integer which can contain a GC pointer. */
1329	typedef RTGCUINTPTR *PRTGCUINTPTR;
1330	/** Pointer to unsigned integer which can contain a GC pointer. */
1331	typedef const RTGCUINTPTR *PCRTGCUINTPTR;
1332
1333	/** Unsigned integer which can contain a 32 bits GC pointer. */
1334	typedef uint32_t RTGCUINTPTR32;
1335	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
1336	typedef RTGCUINTPTR32 *PRTGCUINTPTR32;
1337	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
1338	typedef const RTGCUINTPTR32 *PCRTGCUINTPTR32;
1339
1340	/** Unsigned integer which can contain a 64 bits GC pointer. */
1341	typedef uint64_t RTGCUINTPTR64;
1342	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
1343	typedef RTGCUINTPTR64 *PRTGCUINTPTR64;
1344	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
1345	typedef const RTGCUINTPTR64 *PCRTGCUINTPTR64;
1346
1347	/** Guest Physical Memory Address.*/
1348	typedef uint64_t RTGCPHYS;
1349	/** Pointer to Guest Physical Memory Address. */
1350	typedef RTGCPHYS *PRTGCPHYS;
1351	/** Pointer to const Guest Physical Memory Address. */
1352	typedef const RTGCPHYS *PCRTGCPHYS;
1353	/** @def NIL_RTGCPHYS
1354	* NIL GC Physical Address.
1355	* NIL_RTGCPHYS is used to signal an invalid physical address, similar
1356	* to the NULL pointer. Note that this value may actually be valid in
1357	* some contexts.
1358	*/
1359	#define NIL_RTGCPHYS (~(RTGCPHYS)0U)
1360	/** Max guest physical memory address value. */
1361	#define RTGCPHYS_MAX UINT64_MAX
1362
1363
1364	/** Guest Physical Memory Address; limited to 32 bits.*/
1365	typedef uint32_t RTGCPHYS32;
1366	/** Pointer to Guest Physical Memory Address. */
1367	typedef RTGCPHYS32 *PRTGCPHYS32;
1368	/** Pointer to const Guest Physical Memory Address. */
1369	typedef const RTGCPHYS32 *PCRTGCPHYS32;
1370	/** @def NIL_RTGCPHYS32
1371	* NIL GC Physical Address.
1372	* NIL_RTGCPHYS32 is used to signal an invalid physical address, similar
1373	* to the NULL pointer. Note that this value may actually be valid in
1374	* some contexts.
1375	*/
1376	#define NIL_RTGCPHYS32 (~(RTGCPHYS32)0)
1377
1378
1379	/** Guest Physical Memory Address; limited to 64 bits.*/
1380	typedef uint64_t RTGCPHYS64;
1381	/** Pointer to Guest Physical Memory Address. */
1382	typedef RTGCPHYS64 *PRTGCPHYS64;
1383	/** Pointer to const Guest Physical Memory Address. */
1384	typedef const RTGCPHYS64 *PCRTGCPHYS64;
1385	/** @def NIL_RTGCPHYS64
1386	* NIL GC Physical Address.
1387	* NIL_RTGCPHYS64 is used to signal an invalid physical address, similar
1388	* to the NULL pointer. Note that this value may actually be valid in
1389	* some contexts.
1390	*/
1391	#define NIL_RTGCPHYS64 (~(RTGCPHYS64)0)
1392
1393	/** Guest context pointer, 32 bits.
1394	* Keep in mind that this type is an unsigned integer in
1395	* HC and void pointer in GC.
1396	*/
1397	typedef RTGCUINTPTR32 RTGCPTR32;
1398	/** Pointer to a guest context pointer. */
1399	typedef RTGCPTR32 *PRTGCPTR32;
1400	/** Pointer to a const guest context pointer. */
1401	typedef const RTGCPTR32 *PCRTGCPTR32;
1402	/** @def NIL_RTGCPTR32
1403	* NIL GC pointer.
1404	*/
1405	#define NIL_RTGCPTR32 ((RTGCPTR32)0)
1406
1407	/** Guest context pointer, 64 bits.
1408	*/
1409	typedef RTGCUINTPTR64 RTGCPTR64;
1410	/** Pointer to a guest context pointer. */
1411	typedef RTGCPTR64 *PRTGCPTR64;
1412	/** Pointer to a const guest context pointer. */
1413	typedef const RTGCPTR64 *PCRTGCPTR64;
1414	/** @def NIL_RTGCPTR64
1415	* NIL GC pointer.
1416	*/
1417	#define NIL_RTGCPTR64 ((RTGCPTR64)0)
1418
1419	/** Guest context pointer.
1420	* Keep in mind that this type is an unsigned integer in
1421	* HC and void pointer in GC.
1422	*/
1423	#if GC_ARCH_BITS == 64
1424	typedef RTGCPTR64 RTGCPTR;
1425	/** Pointer to a guest context pointer. */
1426	typedef PRTGCPTR64 PRTGCPTR;
1427	/** Pointer to a const guest context pointer. */
1428	typedef PCRTGCPTR64 PCRTGCPTR;
1429	/** @def NIL_RTGCPTR
1430	* NIL GC pointer.
1431	*/
1432	# define NIL_RTGCPTR NIL_RTGCPTR64
1433	/** Max RTGCPTR value. */
1434	# define RTGCPTR_MAX UINT64_MAX
1435	#elif GC_ARCH_BITS == 32
1436	typedef RTGCPTR32 RTGCPTR;
1437	/** Pointer to a guest context pointer. */
1438	typedef PRTGCPTR32 PRTGCPTR;
1439	/** Pointer to a const guest context pointer. */
1440	typedef PCRTGCPTR32 PCRTGCPTR;
1441	/** @def NIL_RTGCPTR
1442	* NIL GC pointer.
1443	*/
1444	# define NIL_RTGCPTR NIL_RTGCPTR32
1445	/** Max RTGCPTR value. */
1446	# define RTGCPTR_MAX UINT32_MAX
1447	#else
1448	# error "Unsupported GC_ARCH_BITS!"
1449	#endif
1450
1451	/** Unsigned integer register in the guest context. */
1452	typedef uint32_t RTGCUINTREG32;
1453	/** Pointer to an unsigned integer register in the guest context. */
1454	typedef RTGCUINTREG32 *PRTGCUINTREG32;
1455	/** Pointer to a const unsigned integer register in the guest context. */
1456	typedef const RTGCUINTREG32 *PCRTGCUINTREG32;
1457
1458	typedef uint64_t RTGCUINTREG64;
1459	/** Pointer to an unsigned integer register in the guest context. */
1460	typedef RTGCUINTREG64 *PRTGCUINTREG64;
1461	/** Pointer to a const unsigned integer register in the guest context. */
1462	typedef const RTGCUINTREG64 *PCRTGCUINTREG64;
1463
1464	#if GC_ARCH_BITS == 64
1465	typedef RTGCUINTREG64 RTGCUINTREG;
1466	#elif GC_ARCH_BITS == 32
1467	typedef RTGCUINTREG32 RTGCUINTREG;
1468	#else
1469	# error "Unsupported GC_ARCH_BITS!"
1470	#endif
1471	/** Pointer to an unsigned integer register in the guest context. */
1472	typedef RTGCUINTREG *PRTGCUINTREG;
1473	/** Pointer to a const unsigned integer register in the guest context. */
1474	typedef const RTGCUINTREG *PCRTGCUINTREG;
1475
1476	/** @} */
1477
1478	/** @defgroup grp_rt_types_rc Raw mode Context Basic Types
1479	* @ingroup grp_rt_types
1480	* @{
1481	*/
1482
1483	/** Raw mode context pointer; a 32 bits guest context pointer.
1484	* Keep in mind that this type is an unsigned integer in
1485	* HC and void pointer in RC.
1486	*/
1487	#ifdef IN_RC
1488	typedef void * RTRCPTR;
1489	#else
1490	typedef uint32_t RTRCPTR;
1491	#endif
1492	/** Pointer to a raw mode context pointer. */
1493	typedef RTRCPTR *PRTRCPTR;
1494	/** Pointer to a const raw mode context pointer. */
1495	typedef const RTRCPTR *PCRTRCPTR;
1496	/** @def NIL_RTGCPTR
1497	* NIL RC pointer.
1498	*/
1499	#ifndef IN_RC
1500	# define NIL_RTRCPTR ((RTRCPTR)0)
1501	#else
1502	# define NIL_RTRCPTR (NULL)
1503	#endif
1504	/** @def RTRCPTR_MAX
1505	* The maximum value a RTRCPTR can have. Mostly used as INVALID value.
1506	*/
1507	#define RTRCPTR_MAX ((RTRCPTR)UINT32_MAX)
1508
1509	/** Raw mode context pointer, unsigned integer variant. */
1510	typedef int32_t RTRCINTPTR;
1511	/** @def RTRCUINTPTR_MAX
1512	* The maximum value a RTRCUINPTR can have.
1513	*/
1514	#define RTRCUINTPTR_MAX ((RTRCUINTPTR)UINT32_MAX)
1515
1516	/** Raw mode context pointer, signed integer variant. */
1517	typedef uint32_t RTRCUINTPTR;
1518	/** @def RTRCINTPTR_MIN
1519	* The minimum value a RTRCINPTR can have.
1520	*/
1521	#define RTRCINTPTR_MIN ((RTRCINTPTR)INT32_MIN)
1522	/** @def RTRCINTPTR_MAX
1523	* The maximum value a RTRCINPTR can have.
1524	*/
1525	#define RTRCINTPTR_MAX ((RTRCINTPTR)INT32_MAX)
1526
1527	/** @} */
1528
1529
1530	/** @defgroup grp_rt_types_cc Current Context Basic Types
1531	* @ingroup grp_rt_types
1532	* @{
1533	*/
1534
1535	/** Current Context Physical Memory Address.*/
1536	#ifdef IN_RC
1537	typedef RTGCPHYS RTCCPHYS;
1538	#else
1539	typedef RTHCPHYS RTCCPHYS;
1540	#endif
1541	/** Pointer to Current Context Physical Memory Address. */
1542	typedef RTCCPHYS *PRTCCPHYS;
1543	/** Pointer to const Current Context Physical Memory Address. */
1544	typedef const RTCCPHYS *PCRTCCPHYS;
1545	/** @def NIL_RTCCPHYS
1546	* NIL CC Physical Address.
1547	* NIL_RTCCPHYS is used to signal an invalid physical address, similar
1548	* to the NULL pointer.
1549	*/
1550	#ifdef IN_RC
1551	# define NIL_RTCCPHYS NIL_RTGCPHYS
1552	#else
1553	# define NIL_RTCCPHYS NIL_RTHCPHYS
1554	#endif
1555
1556	/** Unsigned integer register in the current context. */
1557	#if ARCH_BITS == 32
1558	typedef uint32_t RTCCUINTREG;
1559	#elif ARCH_BITS == 64
1560	typedef uint64_t RTCCUINTREG;
1561	#else
1562	# error "Unsupported ARCH_BITS!"
1563	#endif
1564	/** Pointer to an unsigned integer register in the current context. */
1565	typedef RTCCUINTREG *PRTCCUINTREG;
1566	/** Pointer to a const unsigned integer register in the current context. */
1567	typedef RTCCUINTREG const *PCRTCCUINTREG;
1568
1569	/** Signed integer register in the current context. */
1570	#if ARCH_BITS == 32
1571	typedef int32_t RTCCINTREG;
1572	#elif ARCH_BITS == 64
1573	typedef int64_t RTCCINTREG;
1574	#endif
1575	/** Pointer to a signed integer register in the current context. */
1576	typedef RTCCINTREG *PRTCCINTREG;
1577	/** Pointer to a const signed integer register in the current context. */
1578	typedef RTCCINTREG const *PCRTCCINTREG;
1579
1580	/** @} */
1581
1582
1583	/** Pointer to a critical section. */
1584	typedef struct RTCRITSECT *PRTCRITSECT;
1585	/** Pointer to a const critical section. */
1586	typedef const struct RTCRITSECT *PCRTCRITSECT;
1587
1588
1589	/** Condition variable handle. */
1590	typedef R3PTRTYPE(struct RTCONDVARINTERNAL *) RTCONDVAR;
1591	/** Pointer to a condition variable handle. */
1592	typedef RTCONDVAR *PRTCONDVAR;
1593	/** Nil condition variable handle. */
1594	#define NIL_RTCONDVAR 0
1595
1596	/** File handle. */
1597	typedef R3R0PTRTYPE(struct RTFILEINT *) RTFILE;
1598	/** Pointer to file handle. */
1599	typedef RTFILE *PRTFILE;
1600	/** Nil file handle. */
1601	#define NIL_RTFILE ((RTFILE)~(RTHCINTPTR)0)
1602
1603	/** Async I/O request handle. */
1604	typedef R3PTRTYPE(struct RTFILEAIOREQINTERNAL *) RTFILEAIOREQ;
1605	/** Pointer to an async I/O request handle. */
1606	typedef RTFILEAIOREQ *PRTFILEAIOREQ;
1607	/** Nil request handle. */
1608	#define NIL_RTFILEAIOREQ 0
1609
1610	/** Async I/O completion context handle. */
1611	typedef R3PTRTYPE(struct RTFILEAIOCTXINTERNAL *) RTFILEAIOCTX;
1612	/** Pointer to an async I/O completion context handle. */
1613	typedef RTFILEAIOCTX *PRTFILEAIOCTX;
1614	/** Nil context handle. */
1615	#define NIL_RTFILEAIOCTX 0
1616
1617	/** Loader module handle. */
1618	typedef R3PTRTYPE(struct RTLDRMODINTERNAL *) RTLDRMOD;
1619	/** Pointer to a loader module handle. */
1620	typedef RTLDRMOD *PRTLDRMOD;
1621	/** Nil loader module handle. */
1622	#define NIL_RTLDRMOD 0
1623
1624	/** Lock validator class handle. */
1625	typedef R3R0PTRTYPE(struct RTLOCKVALCLASSINT *) RTLOCKVALCLASS;
1626	/** Pointer to a lock validator class handle. */
1627	typedef RTLOCKVALCLASS *PRTLOCKVALCLASS;
1628	/** Nil lock validator class handle. */
1629	#define NIL_RTLOCKVALCLASS ((RTLOCKVALCLASS)0)
1630
1631	/** Ring-0 memory object handle. */
1632	typedef R0PTRTYPE(struct RTR0MEMOBJINTERNAL *) RTR0MEMOBJ;
1633	/** Pointer to a Ring-0 memory object handle. */
1634	typedef RTR0MEMOBJ *PRTR0MEMOBJ;
1635	/** Nil ring-0 memory object handle. */
1636	#define NIL_RTR0MEMOBJ 0
1637
1638	/** Native thread handle. */
1639	typedef RTHCUINTPTR RTNATIVETHREAD;
1640	/** Pointer to an native thread handle. */
1641	typedef RTNATIVETHREAD *PRTNATIVETHREAD;
1642	/** Nil native thread handle. */
1643	#define NIL_RTNATIVETHREAD (~(RTNATIVETHREAD)0)
1644
1645	/** Pipe handle. */
1646	typedef R3R0PTRTYPE(struct RTPIPEINTERNAL *) RTPIPE;
1647	/** Pointer to a pipe handle. */
1648	typedef RTPIPE *PRTPIPE;
1649	/** Nil pipe handle.
1650	* @remarks This is not 0 because of UNIX and OS/2 handle values. Take care! */
1651	#define NIL_RTPIPE ((RTPIPE)RTHCUINTPTR_MAX)
1652
1653	/** @typedef RTPOLLSET
1654	* Poll set handle. */
1655	typedef R3R0PTRTYPE(struct RTPOLLSETINTERNAL *) RTPOLLSET;
1656	/** Pointer to a poll set handle. */
1657	typedef RTPOLLSET *PRTPOLLSET;
1658	/** Nil poll set handle handle. */
1659	#define NIL_RTPOLLSET ((RTPOLLSET)0)
1660
1661	/** Process identifier. */
1662	typedef uint32_t RTPROCESS;
1663	/** Pointer to a process identifier. */
1664	typedef RTPROCESS *PRTPROCESS;
1665	/** Nil process identifier. */
1666	#define NIL_RTPROCESS (~(RTPROCESS)0)
1667
1668	/** Process ring-0 handle. */
1669	typedef RTR0UINTPTR RTR0PROCESS;
1670	/** Pointer to a ring-0 process handle. */
1671	typedef RTR0PROCESS *PRTR0PROCESS;
1672	/** Nil ring-0 process handle. */
1673	#define NIL_RTR0PROCESS (~(RTR0PROCESS)0)
1674
1675	/** @typedef RTSEMEVENT
1676	* Event Semaphore handle. */
1677	typedef R3R0PTRTYPE(struct RTSEMEVENTINTERNAL *) RTSEMEVENT;
1678	/** Pointer to an event semaphore handle. */
1679	typedef RTSEMEVENT *PRTSEMEVENT;
1680	/** Nil event semaphore handle. */
1681	#define NIL_RTSEMEVENT 0
1682
1683	/** @typedef RTSEMEVENTMULTI
1684	* Event Multiple Release Semaphore handle. */
1685	typedef R3R0PTRTYPE(struct RTSEMEVENTMULTIINTERNAL *) RTSEMEVENTMULTI;
1686	/** Pointer to an event multiple release semaphore handle. */
1687	typedef RTSEMEVENTMULTI *PRTSEMEVENTMULTI;
1688	/** Nil multiple release event semaphore handle. */
1689	#define NIL_RTSEMEVENTMULTI 0
1690
1691	/** @typedef RTSEMFASTMUTEX
1692	* Fast mutex Semaphore handle. */
1693	typedef R3R0PTRTYPE(struct RTSEMFASTMUTEXINTERNAL *) RTSEMFASTMUTEX;
1694	/** Pointer to a fast mutex semaphore handle. */
1695	typedef RTSEMFASTMUTEX *PRTSEMFASTMUTEX;
1696	/** Nil fast mutex semaphore handle. */
1697	#define NIL_RTSEMFASTMUTEX 0
1698
1699	/** @typedef RTSEMMUTEX
1700	* Mutex Semaphore handle. */
1701	typedef R3R0PTRTYPE(struct RTSEMMUTEXINTERNAL *) RTSEMMUTEX;
1702	/** Pointer to a mutex semaphore handle. */
1703	typedef RTSEMMUTEX *PRTSEMMUTEX;
1704	/** Nil mutex semaphore handle. */
1705	#define NIL_RTSEMMUTEX 0
1706
1707	/** @typedef RTSEMSPINMUTEX
1708	* Spinning mutex Semaphore handle. */
1709	typedef R3R0PTRTYPE(struct RTSEMSPINMUTEXINTERNAL *) RTSEMSPINMUTEX;
1710	/** Pointer to a spinning mutex semaphore handle. */
1711	typedef RTSEMSPINMUTEX *PRTSEMSPINMUTEX;
1712	/** Nil spinning mutex semaphore handle. */
1713	#define NIL_RTSEMSPINMUTEX 0
1714
1715	/** @typedef RTSEMRW
1716	* Read/Write Semaphore handle. */
1717	typedef R3R0PTRTYPE(struct RTSEMRWINTERNAL *) RTSEMRW;
1718	/** Pointer to a read/write semaphore handle. */
1719	typedef RTSEMRW *PRTSEMRW;
1720	/** Nil read/write semaphore handle. */
1721	#define NIL_RTSEMRW 0
1722
1723	/** @typedef RTSEMXROADS
1724	* Crossroads semaphore handle. */
1725	typedef R3R0PTRTYPE(struct RTSEMXROADSINTERNAL *) RTSEMXROADS;
1726	/** Pointer to a crossroads semaphore handle. */
1727	typedef RTSEMXROADS *PRTSEMXROADS;
1728	/** Nil crossroads semaphore handle. */
1729	#define NIL_RTSEMXROADS ((RTSEMXROADS)0)
1730
1731	/** Spinlock handle. */
1732	typedef R3R0PTRTYPE(struct RTSPINLOCKINTERNAL *) RTSPINLOCK;
1733	/** Pointer to a spinlock handle. */
1734	typedef RTSPINLOCK *PRTSPINLOCK;
1735	/** Nil spinlock handle. */
1736	#define NIL_RTSPINLOCK 0
1737
1738	/** Socket handle. */
1739	typedef R3R0PTRTYPE(struct RTSOCKETINT *) RTSOCKET;
1740	/** Pointer to socket handle. */
1741	typedef RTSOCKET *PRTSOCKET;
1742	/** Nil socket handle. */
1743	#define NIL_RTSOCKET ((RTSOCKET)0)
1744
1745	/** Pointer to a RTTCPSERVER handle. */
1746	typedef struct RTTCPSERVER *PRTTCPSERVER;
1747	/** Pointer to a RTTCPSERVER handle. */
1748	typedef PRTTCPSERVER *PPRTTCPSERVER;
1749	/** Nil RTTCPSERVER handle. */
1750	#define NIL_RTTCPSERVER ((PRTTCPSERVER)0)
1751
1752	/** Pointer to a RTUDPSERVER handle. */
1753	typedef struct RTUDPSERVER *PRTUDPSERVER;
1754	/** Pointer to a RTUDPSERVER handle. */
1755	typedef PRTUDPSERVER *PPRTUDPSERVER;
1756	/** Nil RTUDPSERVER handle. */
1757	#define NIL_RTUDPSERVER ((PRTUDPSERVER)0)
1758
1759	/** Thread handle.*/
1760	typedef R3R0PTRTYPE(struct RTTHREADINT *) RTTHREAD;
1761	/** Pointer to thread handle. */
1762	typedef RTTHREAD *PRTTHREAD;
1763	/** Nil thread handle. */
1764	#define NIL_RTTHREAD 0
1765
1766	/** A TLS index. */
1767	typedef RTHCINTPTR RTTLS;
1768	/** Pointer to a TLS index. */
1769	typedef RTTLS *PRTTLS;
1770	/** Pointer to a const TLS index. */
1771	typedef RTTLS const *PCRTTLS;
1772	/** NIL TLS index value. */
1773	#define NIL_RTTLS ((RTTLS)-1)
1774
1775	/** Trace buffer handle.
1776	* @remarks This is not a R3/R0 type like most other handles!
1777	*/
1778	typedef struct RTTRACEBUFINT *RTTRACEBUF;
1779	/** Poiner to a trace buffer handle. */
1780	typedef RTTRACEBUF *PRTTRACEBUF;
1781	/** Nil trace buffer handle. */
1782	#define NIL_RTTRACEBUF ((RTTRACEBUF)0)
1783	/** The handle of the default trace buffer.
1784	* This can be used with any of the RTTraceBufAdd APIs. */
1785	#define RTTRACEBUF_DEFAULT ((RTTRACEBUF)-2)
1786
1787	/** Handle to a simple heap. */
1788	typedef R3R0PTRTYPE(struct RTHEAPSIMPLEINTERNAL *) RTHEAPSIMPLE;
1789	/** Pointer to a handle to a simple heap. */
1790	typedef RTHEAPSIMPLE *PRTHEAPSIMPLE;
1791	/** NIL simple heap handle. */
1792	#define NIL_RTHEAPSIMPLE ((RTHEAPSIMPLE)0)
1793
1794	/** Handle to an offset based heap. */
1795	typedef R3R0PTRTYPE(struct RTHEAPOFFSETINTERNAL *) RTHEAPOFFSET;
1796	/** Pointer to a handle to an offset based heap. */
1797	typedef RTHEAPOFFSET *PRTHEAPOFFSET;
1798	/** NIL offset based heap handle. */
1799	#define NIL_RTHEAPOFFSET ((RTHEAPOFFSET)0)
1800
1801	/** Handle to an environment block. */
1802	typedef R3PTRTYPE(struct RTENVINTERNAL *) RTENV;
1803	/** Pointer to a handle to an environment block. */
1804	typedef RTENV *PRTENV;
1805	/** NIL simple heap handle. */
1806	#define NIL_RTENV ((RTENV)0)
1807
1808	/** A CPU identifier.
1809	* @remarks This doesn't have to correspond to the APIC ID (intel/amd). Nor
1810	* does it have to correspond to the bits in the affinity mask, at
1811	* least not until we've sorted out Windows NT. */
1812	typedef uint32_t RTCPUID;
1813	/** Pointer to a CPU identifier. */
1814	typedef RTCPUID *PRTCPUID;
1815	/** Pointer to a const CPU identifier. */
1816	typedef RTCPUID const *PCRTCPUID;
1817	/** Nil CPU Id. */
1818	#define NIL_RTCPUID ((RTCPUID)~0)
1819
1820	/** The maximum number of CPUs a set can contain and IPRT is able
1821	* to reference. (Should be max of support arch/platforms.)
1822	* @remarks Must be a multiple of 64 (see RTCPUSET). */
1823	#if defined(RT_ARCH_X86) \|\| defined(RT_ARCH_AMD64)
1824	# define RTCPUSET_MAX_CPUS 256
1825	#elif defined(RT_ARCH_SPARC) \|\| defined(RT_ARCH_SPARC64)
1826	# define RTCPUSET_MAX_CPUS 1024
1827	#else
1828	# define RTCPUSET_MAX_CPUS 64
1829	#endif
1830	/** A CPU set.
1831	* @note Treat this as an opaque type and always use RTCpuSet* for
1832	* manupulating it. */
1833	typedef struct RTCPUSET
1834	{
1835	/** The bitmap. */
1836	uint64_t bmSet[RTCPUSET_MAX_CPUS / 64];
1837	} RTCPUSET;
1838	/** Pointer to a CPU set. */
1839	typedef RTCPUSET *PRTCPUSET;
1840	/** Pointer to a const CPU set. */
1841	typedef RTCPUSET const *PCRTCPUSET;
1842
1843	/** A handle table handle. */
1844	typedef R3R0PTRTYPE(struct RTHANDLETABLEINT *) RTHANDLETABLE;
1845	/** A pointer to a handle table handle. */
1846	typedef RTHANDLETABLE *PRTHANDLETABLE;
1847	/** @def NIL_RTHANDLETABLE
1848	* NIL handle table handle. */
1849	#define NIL_RTHANDLETABLE ((RTHANDLETABLE)0)
1850
1851	/** A handle to a low resolution timer. */
1852	typedef R3R0PTRTYPE(struct RTTIMERLRINT *) RTTIMERLR;
1853	/** A pointer to a low resolution timer handle. */
1854	typedef RTTIMERLR *PRTTIMERLR;
1855	/** @def NIL_RTTIMERLR
1856	* NIL low resolution timer handle value. */
1857	#define NIL_RTTIMERLR ((RTTIMERLR)0)
1858
1859	/** Handle to a random number generator. */
1860	typedef R3R0PTRTYPE(struct RTRANDINT *) RTRAND;
1861	/** Pointer to a random number generator handle. */
1862	typedef RTRAND *PRTRAND;
1863	/** NIL random number genrator handle value. */
1864	#define NIL_RTRAND ((RTRAND)0)
1865
1866	/** Debug address space handle. */
1867	typedef R3R0PTRTYPE(struct RTDBGASINT *) RTDBGAS;
1868	/** Pointer to a debug address space handle. */
1869	typedef RTDBGAS *PRTDBGAS;
1870	/** NIL debug address space handle. */
1871	#define NIL_RTDBGAS ((RTDBGAS)0)
1872
1873	/** Debug module handle. */
1874	typedef R3R0PTRTYPE(struct RTDBGMODINT *) RTDBGMOD;
1875	/** Pointer to a debug module handle. */
1876	typedef RTDBGMOD *PRTDBGMOD;
1877	/** NIL debug module handle. */
1878	#define NIL_RTDBGMOD ((RTDBGMOD)0)
1879
1880	/** Manifest handle. */
1881	typedef struct RTMANIFESTINT *RTMANIFEST;
1882	/** Pointer to a manifest handle. */
1883	typedef RTMANIFEST *PRTMANIFEST;
1884	/** NIL manifest handle. */
1885	#define NIL_RTMANIFEST ((RTMANIFEST)~(uintptr_t)0)
1886
1887	/** Memory pool handle. */
1888	typedef R3R0PTRTYPE(struct RTMEMPOOLINT *) RTMEMPOOL;
1889	/** Pointer to a memory pool handle. */
1890	typedef RTMEMPOOL *PRTMEMPOOL;
1891	/** NIL memory pool handle. */
1892	#define NIL_RTMEMPOOL ((RTMEMPOOL)0)
1893	/** The default memory pool handle. */
1894	#define RTMEMPOOL_DEFAULT ((RTMEMPOOL)-2)
1895
1896	/** String cache handle. */
1897	typedef R3R0PTRTYPE(struct RTSTRCACHEINT *) RTSTRCACHE;
1898	/** Pointer to a string cache handle. */
1899	typedef RTSTRCACHE *PRTSTRCACHE;
1900	/** NIL string cache handle. */
1901	#define NIL_RTSTRCACHE ((RTSTRCACHE)0)
1902	/** The default string cache handle. */
1903	#define RTSTRCACHE_DEFAULT ((RTSTRCACHE)-2)
1904
1905
1906	/** Virtual Filesystem handle. */
1907	typedef struct RTVFSINTERNAL *RTVFS;
1908	/** Pointer to a VFS handle. */
1909	typedef RTVFS *PRTVFS;
1910	/** A NIL VFS handle. */
1911	#define NIL_RTVFS ((RTVFS)~(uintptr_t)0)
1912
1913	/** Virtual Filesystem base object handle. */
1914	typedef struct RTVFSOBJINTERNAL *RTVFSOBJ;
1915	/** Pointer to a VFS base object handle. */
1916	typedef RTVFSOBJ *PRTVFSOBJ;
1917	/** A NIL VFS base object handle. */
1918	#define NIL_RTVFSOBJ ((RTVFSOBJ)~(uintptr_t)0)
1919
1920	/** Virtual Filesystem directory handle. */
1921	typedef struct RTVFSDIRINTERNAL *RTVFSDIR;
1922	/** Pointer to a VFS directory handle. */
1923	typedef RTVFSDIR *PRTVFSDIR;
1924	/** A NIL VFS directory handle. */
1925	#define NIL_RTVFSDIR ((RTVFSDIR)~(uintptr_t)0)
1926
1927	/** Virtual Filesystem filesystem stream handle. */
1928	typedef struct RTVFSFSSTREAMINTERNAL *RTVFSFSSTREAM;
1929	/** Pointer to a VFS filesystem stream handle. */
1930	typedef RTVFSFSSTREAM *PRTVFSFSSTREAM;
1931	/** A NIL VFS filesystem stream handle. */
1932	#define NIL_RTVFSFSSTREAM ((RTVFSFSSTREAM)~(uintptr_t)0)
1933
1934	/** Virtual Filesystem I/O stream handle. */
1935	typedef struct RTVFSIOSTREAMINTERNAL *RTVFSIOSTREAM;
1936	/** Pointer to a VFS I/O stream handle. */
1937	typedef RTVFSIOSTREAM *PRTVFSIOSTREAM;
1938	/** A NIL VFS I/O stream handle. */
1939	#define NIL_RTVFSIOSTREAM ((RTVFSIOSTREAM)~(uintptr_t)0)
1940
1941	/** Virtual Filesystem file handle. */
1942	typedef struct RTVFSFILEINTERNAL *RTVFSFILE;
1943	/** Pointer to a VFS file handle. */
1944	typedef RTVFSFILE *PRTVFSFILE;
1945	/** A NIL VFS file handle. */
1946	#define NIL_RTVFSFILE ((RTVFSFILE)~(uintptr_t)0)
1947
1948	/** Virtual Filesystem symbolic link handle. */
1949	typedef struct RTVFSSYMLINKINTERNAL *RTVFSSYMLINK;
1950	/** Pointer to a VFS symbolic link handle. */
1951	typedef RTVFSSYMLINK *PRTVFSSYMLINK;
1952	/** A NIL VFS symbolic link handle. */
1953	#define NIL_RTVFSSYMLINK ((RTVFSSYMLINK)~(uintptr_t)0)
1954
1955
1956	/**
1957	* Handle type.
1958	*
1959	* This is usually used together with RTHANDLEUNION.
1960	*/
1961	typedef enum RTHANDLETYPE
1962	{
1963	/** The invalid zero value. */
1964	RTHANDLETYPE_INVALID = 0,
1965	/** File handle. */
1966	RTHANDLETYPE_FILE,
1967	/** Pipe handle */
1968	RTHANDLETYPE_PIPE,
1969	/** Socket handle. */
1970	RTHANDLETYPE_SOCKET,
1971	/** Thread handle. */
1972	RTHANDLETYPE_THREAD,
1973	/** The end of the valid values. */
1974	RTHANDLETYPE_END,
1975	/** The 32-bit type blow up. */
1976	RTHANDLETYPE_32BIT_HACK = 0x7fffffff
1977	} RTHANDLETYPE;
1978	/** Pointer to a handle type. */
1979	typedef RTHANDLETYPE *PRTHANDLETYPE;
1980
1981	/**
1982	* Handle union.
1983	*
1984	* This is usually used together with RTHANDLETYPE or as RTHANDLE.
1985	*/
1986	typedef union RTHANDLEUNION
1987	{
1988	RTFILE hFile; /*< File handle. /
1989	RTPIPE hPipe; /*< Pipe handle. /
1990	RTSOCKET hSocket; /*< Socket handle. /
1991	RTTHREAD hThread; /*< Thread handle. /
1992	/** Generic integer handle value.
1993	* Note that RTFILE is not yet pointer sized, so accessing it via this member
1994	* isn't necessarily safe or fully portable. */
1995	RTHCUINTPTR uInt;
1996	} RTHANDLEUNION;
1997	/** Pointer to a handle union. */
1998	typedef RTHANDLEUNION *PRTHANDLEUNION;
1999	/** Pointer to a const handle union. */
2000	typedef RTHANDLEUNION const *PCRTHANDLEUNION;
2001
2002	/**
2003	* Generic handle.
2004	*/
2005	typedef struct RTHANDLE
2006	{
2007	/** The handle type. */
2008	RTHANDLETYPE enmType;
2009	/** The handle value. */
2010	RTHANDLEUNION u;
2011	} RTHANDLE;
2012	/** Pointer to a generic handle. */
2013	typedef RTHANDLE *PRTHANDLE;
2014	/** Pointer to a const generic handle. */
2015	typedef RTHANDLE const *PCRTHANDLE;
2016
2017
2018	/**
2019	* Standard handles.
2020	*
2021	* @remarks These have the correct file descriptor values for unixy systems and
2022	* can be used directly in code specific to those platforms.
2023	*/
2024	typedef enum RTHANDLESTD
2025	{
2026	/** Invalid standard handle. */
2027	RTHANDLESTD_INVALID = -1,
2028	/** The standard input handle. */
2029	RTHANDLESTD_INPUT = 0,
2030	/** The standard output handle. */
2031	RTHANDLESTD_OUTPUT,
2032	/** The standard error handle. */
2033	RTHANDLESTD_ERROR,
2034	/** The typical 32-bit type hack. */
2035	RTHANDLESTD_32BIT_HACK = 0x7fffffff
2036	} RTHANDLESTD;
2037
2038
2039	/**
2040	* Error info.
2041	*
2042	* See RTErrInfo*.
2043	*/
2044	typedef struct RTERRINFO
2045	{
2046	/** Flags, see RTERRINFO_FLAGS_XXX. */
2047	uint32_t fFlags;
2048	/** The status code. */
2049	int32_t rc;
2050	/** The size of the message */
2051	size_t cbMsg;
2052	/** The error buffer. */
2053	char *pszMsg;
2054	/** Reserved for future use. */
2055	void *apvReserved[2];
2056	} RTERRINFO;
2057	/** Pointer to an error info structure. */
2058	typedef RTERRINFO *PRTERRINFO;
2059	/** Pointer to a const error info structure. */
2060	typedef RTERRINFO const *PCRTERRINFO;
2061
2062	/**
2063	* Static error info structure, see RTErrInfoInitStatic.
2064	*/
2065	typedef struct RTERRINFOSTATIC
2066	{
2067	/** The core error info. */
2068	RTERRINFO Core;
2069	/** The static message buffer. */
2070	char szMsg[3072];
2071	} RTERRINFOSTATIC;
2072	/** Pointer to a error info buffer. */
2073	typedef RTERRINFOSTATIC *PRTERRINFOSTATIC;
2074	/** Pointer to a const static error info buffer. */
2075	typedef RTERRINFOSTATIC const *PCRTERRINFOSTATIC;
2076
2077
2078	/**
2079	* UUID data type.
2080	*
2081	* See RTUuid*.
2082	*
2083	* @remarks IPRT defines that the first three integers in the @c Gen struct
2084	* interpretation are in little endian representation. This is
2085	* different to many other UUID implementation, and requires
2086	* conversion if you need to achieve consistent results.
2087	*/
2088	typedef union RTUUID
2089	{
2090	/** 8-bit view. */
2091	uint8_t au8[16];
2092	/** 16-bit view. */
2093	uint16_t au16[8];
2094	/** 32-bit view. */
2095	uint32_t au32[4];
2096	/** 64-bit view. */
2097	uint64_t au64[2];
2098	/** The way the UUID is declared by the DCE specification. */
2099	struct
2100	{
2101	uint32_t u32TimeLow;
2102	uint16_t u16TimeMid;
2103	uint16_t u16TimeHiAndVersion;
2104	uint8_t u8ClockSeqHiAndReserved;
2105	uint8_t u8ClockSeqLow;
2106	uint8_t au8Node[6];
2107	} Gen;
2108	} RTUUID;
2109	/** Pointer to UUID data. */
2110	typedef RTUUID *PRTUUID;
2111	/** Pointer to readonly UUID data. */
2112	typedef const RTUUID *PCRTUUID;
2113
2114	/** UUID string maximum length. */
2115	#define RTUUID_STR_LENGTH 37
2116
2117
2118	/** Compression handle. */
2119	typedef struct RTZIPCOMP *PRTZIPCOMP;
2120	/** Decompressor handle. */
2121	typedef struct RTZIPDECOMP *PRTZIPDECOMP;
2122
2123
2124	/**
2125	* Unicode Code Point.
2126	*/
2127	typedef uint32_t RTUNICP;
2128	/** Pointer to an Unicode Code Point. */
2129	typedef RTUNICP *PRTUNICP;
2130	/** Pointer to an Unicode Code Point. */
2131	typedef const RTUNICP *PCRTUNICP;
2132	/** Max value a RTUNICP type can hold. */
2133	#define RTUNICP_MAX ( ~(RTUNICP)0 )
2134	/** Invalid code point.
2135	* This is returned when encountered invalid encodings or invalid
2136	* unicode code points. */
2137	#define RTUNICP_INVALID ( UINT32_C(0xfffffffe) )
2138
2139
2140	/**
2141	* UTF-16 character.
2142	* @remark wchar_t is not usable since it's compiler defined.
2143	* @remark When we use the term character we're not talking about unicode code point, but
2144	* the basic unit of the string encoding. Thus cwc - count of wide chars - means
2145	* count of RTUTF16; cuc - count of unicode chars - means count of RTUNICP;
2146	* and cch means count of the typedef 'char', which is assumed to be an octet.
2147	*/
2148	typedef uint16_t RTUTF16;
2149	/** Pointer to a UTF-16 character. */
2150	typedef RTUTF16 *PRTUTF16;
2151	/** Pointer to a const UTF-16 character. */
2152	typedef const RTUTF16 *PCRTUTF16;
2153
2154
2155	/**
2156	* Wait for ever if we have to.
2157	*/
2158	#define RT_INDEFINITE_WAIT (~0U)
2159
2160
2161	/**
2162	* Generic process callback.
2163	*
2164	* @returns VBox status code. Failure will cancel the operation.
2165	* @param uPercentage The percentage of the operation which has been completed.
2166	* @param pvUser The user specified argument.
2167	*/
2168	typedef DECLCALLBACK(int) FNRTPROGRESS(unsigned uPrecentage, void *pvUser);
2169	/** Pointer to a generic progress callback function, FNRTPROCESS(). */
2170	typedef FNRTPROGRESS *PFNRTPROGRESS;
2171
2172
2173	/**
2174	* A point in a two dimentional coordinate system.
2175	*/
2176	typedef struct RTPOINT
2177	{
2178	/** X coordinate. */
2179	int32_t x;
2180	/** Y coordinate. */
2181	int32_t y;
2182	} RTPOINT;
2183	/** Pointer to a point. */
2184	typedef RTPOINT *PRTPOINT;
2185	/** Pointer to a const point. */
2186	typedef const RTPOINT *PCRTPOINT;
2187
2188
2189	/**
2190	* Rectangle data type, double point.
2191	*/
2192	typedef struct RTRECT
2193	{
2194	/** left X coordinate. */
2195	int32_t xLeft;
2196	/** top Y coordinate. */
2197	int32_t yTop;
2198	/** right X coordinate. (exclusive) */
2199	int32_t xRight;
2200	/** bottom Y coordinate. (exclusive) */
2201	int32_t yBottom;
2202	} RTRECT;
2203	/** Pointer to a double point rectangle. */
2204	typedef RTRECT *PRTRECT;
2205	/** Pointer to a const double point rectangle. */
2206	typedef const RTRECT *PCRTRECT;
2207
2208
2209	/**
2210	* Rectangle data type, point + size.
2211	*/
2212	typedef struct RTRECT2
2213	{
2214	/** X coordinate.
2215	* Unless stated otherwise, this is the top left corner. */
2216	int32_t x;
2217	/** Y coordinate.
2218	* Unless stated otherwise, this is the top left corner. */
2219	int32_t y;
2220	/** The width.
2221	* Unless stated otherwise, this is to the right of (x,y) and will not
2222	* be a negative number. */
2223	int32_t cx;
2224	/** The height.
2225	* Unless stated otherwise, this is down from (x,y) and will not be a
2226	* negative number. */
2227	int32_t cy;
2228	} RTRECT2;
2229	/** Pointer to a point + size rectangle. */
2230	typedef RTRECT2 *PRTRECT2;
2231	/** Pointer to a const point + size rectangle. */
2232	typedef const RTRECT2 *PCRTRECT2;
2233
2234
2235	/**
2236	* The size of a rectangle.
2237	*/
2238	typedef struct RTRECTSIZE
2239	{
2240	/** The width (along the x-axis). */
2241	uint32_t cx;
2242	/** The height (along the y-axis). */
2243	uint32_t cy;
2244	} RTRECTSIZE;
2245	/** Pointer to a rectangle size. */
2246	typedef RTRECTSIZE *PRTRECTSIZE;
2247	/** Pointer to a const rectangle size. */
2248	typedef const RTRECTSIZE *PCRTRECTSIZE;
2249
2250
2251	/**
2252	* Ethernet MAC address.
2253	*
2254	* The first 24 bits make up the Organisationally Unique Identifier (OUI),
2255	* where the first bit (little endian) indicates multicast (set) / unicast,
2256	* and the second bit indicates locally (set) / global administered. If all
2257	* bits are set, it's a broadcast.
2258	*/
2259	typedef union RTMAC
2260	{
2261	/** @todo add a bitfield view of this stuff. */
2262	/** 8-bit view. */
2263	uint8_t au8[6];
2264	/** 16-bit view. */
2265	uint16_t au16[3];
2266	} RTMAC;
2267	/** Pointer to a MAC address. */
2268	typedef RTMAC *PRTMAC;
2269	/** Pointer to a readonly MAC address. */
2270	typedef const RTMAC *PCRTMAC;
2271
2272
2273	/** Pointer to a lock validator record.
2274	* The structure definition is found in iprt/lockvalidator.h. */
2275	typedef struct RTLOCKVALRECEXCL *PRTLOCKVALRECEXCL;
2276	/** Pointer to a lock validator source poisition.
2277	* The structure definition is found in iprt/lockvalidator.h. */
2278	typedef struct RTLOCKVALSRCPOS *PRTLOCKVALSRCPOS;
2279	/** Pointer to a const lock validator source poisition.
2280	* The structure definition is found in iprt/lockvalidator.h. */
2281	typedef struct RTLOCKVALSRCPOS const *PCRTLOCKVALSRCPOS;
2282
2283	/** @name Special sub-class values.
2284	* The range 16..UINT32_MAX is available to the user, the range 0..15 is
2285	* reserved for the lock validator. In the user range the locks can only be
2286	* taking in ascending order.
2287	* @{ */
2288	/** Invalid value. */
2289	#define RTLOCKVAL_SUB_CLASS_INVALID UINT32_C(0)
2290	/** Not allowed to be taken with any other locks in the same class.
2291	* This is the recommended value. */
2292	#define RTLOCKVAL_SUB_CLASS_NONE UINT32_C(1)
2293	/** Any order is allowed within the class. */
2294	#define RTLOCKVAL_SUB_CLASS_ANY UINT32_C(2)
2295	/** The first user value. */
2296	#define RTLOCKVAL_SUB_CLASS_USER UINT32_C(16)
2297	/** @} */
2298
2299
2300	/**
2301	* Process exit codes.
2302	*/
2303	typedef enum RTEXITCODE
2304	{
2305	/** Success. */
2306	RTEXITCODE_SUCCESS = 0,
2307	/** General failure. */
2308	RTEXITCODE_FAILURE = 1,
2309	/** Invalid arguments. */
2310	RTEXITCODE_SYNTAX = 2,
2311	/** Initialization failure (usually IPRT, but could be used for other
2312	* components as well). */
2313	RTEXITCODE_INIT = 3,
2314	/** Test skipped. */
2315	RTEXITCODE_SKIPPED = 4,
2316	/** The end of valid exit codes. */
2317	RTEXITCODE_END,
2318	/** The usual 32-bit type hack. */
2319	RTEXITCODE_32BIT_HACK = 0x7fffffff
2320	} RTEXITCODE;
2321
2322	/**
2323	* Range descriptor.
2324	*/
2325	typedef struct RTRANGE
2326	{
2327	/** Start offset. */
2328	uint64_t offStart;
2329	/** Range size. */
2330	size_t cbRange;
2331	} RTRANGE;
2332	/** Pointer to a range descriptor. */
2333	typedef RTRANGE *PRTRANGE;
2334	/** Pointer to a readonly range descriptor. */
2335	typedef const RTRANGE *PCRTRANGE;
2336
2337	#ifdef __cplusplus
2338	/**
2339	* Strict type validation helper class.
2340	*
2341	* See RTErrStrictType and RT_SUCCESS_NP.
2342	*/
2343	class RTErrStrictType2
2344	{
2345	protected:
2346	/** The status code. */
2347	int32_t m_rc;
2348
2349	public:
2350	/**
2351	* Constructor.
2352	* @param rc IPRT style status code.
2353	*/
2354	RTErrStrictType2(int32_t rc) : m_rc(rc)
2355	{
2356	}
2357
2358	/**
2359	* Get the status code.
2360	* @returns IPRT style status code.
2361	*/
2362	int32_t getValue() const
2363	{
2364	return m_rc;
2365	}
2366	};
2367	#endif /* __cplusplus */
2368	/** @} */
2369
2370	#endif
2371

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